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3 years ago

If the volume of the pyramid is 72cm3, what is it’s height in cm? A.3. B.9. C.12. D.18

Mathematics

1 answer:

NikAS [45]3 years ago

3 0

Answer:

It A

Step-by-step explanation:

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3 years ago

Mark purchased a Playstation on sale at a 40%

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The amount of the discount was $140.

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3 years ago

Craig opened a savings account and deposited $600.00 as principal. The account earns 2%

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Step-by-step explanation:

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2 years ago

A computer chess game and a human chess champion are evenly matched. They play twelve games. Find probabilities for the followin

sleet_krkn [62]

Answer:

The probability that they each win six games is 0.225.

Step-by-step explanation:

Given : A computer chess game and a human chess champion are evenly matched. They play twelve games.

To find : The probability that they each win six games?

Solution :

Applying binomial distribution,

Here n=12 and p=0.5

$P(X=k)=\frac{n!}{k!(n-k)!}\times p^k\times (1-p)^{n-k}$

The probability that they each win six games is k=6.

$P(X=6)=\frac{12!}{6!(12-6)!}\times 0.5^6\times (1-0.5)^{12-6}$

$P(X=6)=\frac{12\times 11\times 10\times 9\times 8\times 7\times 6!}{6\times 5\times 4\times 3\times 2\times 6!}\times 0.015625\times 0.015625$

$P(X=6)=11\times 2\times 3\times 2\times 7\times 0.015625\times 0.015625$

$P(X=6)=0.225$

Therefore, The probability that they each win six games is 0.225.

3 0

3 years ago

Which expression is equivalent to 4x + 3 - 2x + 5.

My name is Ann [436]

2x+8 is equivalent to 4x+3-2x+5

Step-by-step explanation:

4x+3-2x+5

4x+2x+3+5

2x+8

7 0

3 years ago

Read 2 more answers